py-address-formatter 0.1.2

Python library for formatting addresses according to country-specific rules

Python Address Formatter

A comprehensive Python library for formatting addresses according to country-specific templates and rules. Built on the OpenCageData address-formatting templates, this library provides robust support for international address formatting.

Features

• Country-Specific Formatting: Format addresses according to country-specific rules and templates
• Component Normalization: Normalize address components with alias support and key conversion
• Abbreviation Support: Apply language-specific abbreviations to address components
• Template Management: Automatic conversion of YAML templates to JSON for runtime efficiency
• Plugin System: Extensible architecture with plugin support
• Event System: Event-driven architecture for flexible processing
• Machine Learning Integration: Component prediction and extraction from unstructured text
• API Support: FastAPI-based REST API for address formatting
• Monitoring: Prometheus metrics for monitoring performance and errors
• Asynchronous Processing: Support for async/await and batch processing
• CLI Tool: Command-line interface for formatter access
• Type System: Comprehensive type hints and Pydantic models

Installation

Basic Installation

pip install py-address-formatter

Installation with Extra Features

# Install with API support
pip install py-address-formatter[api]

# Install with async support
pip install py-address-formatter[async]

# Install with ML support
pip install py-address-formatter[ml]

# Install with optimization support
pip install py-address-formatter[optimize]

# Install with all features
pip install py-address-formatter[api,async,ml,optimize]

# Install development dependencies
pip install py-address-formatter[dev]

Quick Start

Format an Address

from pyaddress import format_address

# Format an address
formatted = format_address({
    "house_number": "123",
    "road": "Main St",
    "city": "Anytown",
    "state": "CA",
    "country_code": "US",
    "postcode": "12345"
})

print(formatted)
# Output: 123 Main St
#         Anytown, California 12345
#         United States of America

Format with Options

# Format with options
formatted = format_address({
    "house_number": "123",
    "road": "Main Street",
    "city": "Anytown",
    "state": "California",
    "country_code": "US",
    "postcode": "12345"
}, options={
    "abbreviate": True,
    "add_country": False,
    "output_format": "array"
})

print(formatted)
# Output: 123 Main St
#         Anytown, CA 12345

International Addresses

# Format a UK address
uk_address = format_address({
    "house_number": "10",
    "road": "Downing Street",
    "city": "London",
    "postcode": "SW1A 2AA",
    "country_code": "GB"
})

print(uk_address)
# Output: 10 Downing Street
#         London
#         SW1A 2AA
#         United Kingdom

# Format a German address
de_address = format_address({
    "house_number": "1",
    "road": "Platz der Republik",
    "city": "Berlin",
    "postcode": "11011",
    "country_code": "DE"
})

print(de_address)
# Output: Platz der Republik 1
#         11011 Berlin
#         Germany

Async Processing

import asyncio
from pyaddress import format_address_async, format_batch_async

async def main():
    # Format a single address asynchronously
    formatted = await format_address_async({
        "house_number": "123",
        "road": "Main St",
        "city": "Anytown",
        "state": "CA",
        "country_code": "US"
    })
    print(formatted)

    # Process a batch of addresses asynchronously
    addresses = [
        {
            "house_number": "123",
            "road": "Main St",
            "city": "Anytown",
            "state": "CA",
            "country_code": "US"
        },
        {
            "house_number": "456",
            "road": "High St",
            "city": "Othertown",
            "state": "NY",
            "country_code": "US"
        }
    ]
    results = await format_batch_async(addresses)
    print(results)

asyncio.run(main())

Special Cases

# Address with a name
named_address = format_address({
    "name": "John Doe",
    "house_number": "123",
    "road": "Main St",
    "city": "Anytown",
    "state": "CA",
    "country_code": "US"
})

print(named_address)
# Output: John Doe
#         123 Main St
#         Anytown, California
#         United States of America

# PO Box
po_box = format_address({
    "po_box": "PO Box 1234",
    "city": "Anytown",
    "state": "CA",
    "postcode": "12345",
    "country_code": "US"
})

print(po_box)
# Output: PO Box 1234
#         Anytown, California 12345
#         United States of America

Command-Line Interface

The library includes a command-line interface for easy access to formatting functionality:

# Format a single address
py-address-formatter format --input address.json --abbreviate

# Process a batch of addresses
py-address-formatter batch --input addresses.csv --output formatted.csv --format csv

# Run the API server
py-address-formatter server --port 8000

# Show formatter statistics
py-address-formatter stats

# Show help
py-address-formatter --help

CLI Options

Usage: py-address-formatter [OPTIONS] COMMAND [ARGS]...

  Address Formatter CLI tool.

Options:
  --version  Show the version and exit.
  --help     Show this message and exit.

Commands:
  batch    Format a batch of addresses from a file.
  format   Format a single address.
  server   Run the API server.
  stats    Show formatter statistics.

API Server

Start the API server with:

# Using the CLI
py-address-formatter server

# Or directly with Python
python -m address_formatter.api.server

Once running, you can access the API at http://localhost:8000 and view the API documentation at http://localhost:8000/docs.

API Endpoints

• POST /format: Format a single address
• POST /batch: Format multiple addresses
• POST /validate: Validate address components
• GET /health: Check API health
• GET /metrics: Get Prometheus metrics
• GET /stats: Get formatter statistics

API Examples

Format a Single Address

curl -X POST "http://localhost:8000/format" \
  -H "Content-Type: application/json" \
  -d '{
    "address": {
      "house_number": "123",
      "road": "Main St",
      "city": "Anytown",
      "state": "CA",
      "country_code": "US"
    },
    "options": {
      "abbreviate": true,
      "add_country": true
    }
  }'

Response:

{
  "formatted": "123 Main St\nAnytown, CA\nUnited States of America"
}

Format Multiple Addresses

curl -X POST "http://localhost:8000/batch" \
  -H "Content-Type: application/json" \
  -d '{
    "addresses": [
      {
        "house_number": "123",
        "road": "Main St",
        "city": "Anytown",
        "state": "CA",
        "country_code": "US"
      },
      {
        "house_number": "10",
        "road": "Downing Street",
        "city": "London",
        "country_code": "GB"
      }
    ],
    "options": {
      "abbreviate": true
    }
  }'

Response:

{
  "results": [
    {
      "formatted": "123 Main St\nAnytown, CA\nUnited States of America"
    },
    {
      "formatted": "10 Downing St\nLondon\nUnited Kingdom"
    }
  ]
}

Configuration

The formatter can be configured through environment variables:

# Address formatter configuration
export ADDRESS_TEMPLATE_DIR=/path/to/templates
export CACHE_SIZE=1000
export DEFAULT_LANG=en

# API configuration
export API_HOST=0.0.0.0
export API_PORT=8000
export API_RATE_LIMIT=100

# Performance configuration
export ENABLE_ASYNC=true
export ENABLE_JIT=false
export THREAD_POOL_SIZE=4

Docker Support

You can run the address formatter in a Docker container:

# Build the Docker image
docker build -t py-address-formatter .

# Run the container
docker run -p 8000:8000 py-address-formatter

# Run with custom configuration
docker run -p 8000:8000 \
  -e ADDRESS_TEMPLATE_DIR=/app/templates \
  -e API_PORT=8000 \
  -e ENABLE_ASYNC=true \
  py-address-formatter

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

Development Setup

# Clone the repository with submodules
git clone --recurse-submodules https://github.com/address-formatter/pyaddress.git

# Navigate to the project directory
cd pyaddress

# Install development dependencies
pip install -e ".[dev]"

# Run tests
pytest

Building and Publishing

See the Building and Publishing the Package section for detailed instructions.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgments

• OpenCageData for the address-formatting templates
• All contributors to the project

Changelog

0.1.2 (2025-05-04)

• Fixed CLI command name to use py-address-formatter instead of address-formatter
• Added backward compatibility for the old command name
• Improved CLI error handling and help messages

0.1.1 (2025-05-04)

• Fixed CLI issue with missing __version__ variable
• Improved documentation with more examples
• Added comprehensive tests for edge cases
• Updated README with better examples and API documentation

0.1.0 (2025-05-04)

• Initial release
• Support for 250+ countries and territories
• Command-line interface
• API server
• Async processing support